Base features a 4 5/16" (109.5 mm) bolt circle countersunk for three 1/4" (6.3 mm) flathead bolts (not included)
Overall height 4.3" (109.2 mm)
Weight 1.6 lbs. (.7 kg)
Firmly holds micrometers of all sizes
Neoprene pads open 1/2" (12.7 mm)
Base keeps micrometer close to work surface and out of the way